I'm really concerned ahout you. If something _______ happen to you call me at once.
| A．would | B．should | C．could | D．might |
The growing speed of a plant is influenced by a number of factors, _______ are beyond our control.
| A．most of them | B．most of which | C．most of what | D．most of that |
He is always helping people without expecting anything ______.
| A．in need | B．in fact | C．in danger | D．in return |
Intelligence does not_______ mean success. You need diligence as well.
| A．honestly | B．formally | C．simply | D．necessarily |
It is said that the old coins ______ under the earth for about 100years by the time they were discovered.
| A．had buried | B．had been buried | C．buried | D．were buried |
When the manager goes out for vacation, he always leaves his secretary_______ the factory.
| A．in the charge of | B．in charge of | C．in charge | D．in the charge |